Convolution of Catalan numbers and factorial numbers.
A277175
Convolution of Catalan numbers and factorial numbers.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =15a(4) =53a(5) =222a(6) =1120a(7) =6849a(8) =50111a(9) =427510a(10) =4142900a(11) =44693782a(12) =529276962a(13) =6813205468a(14) =94642629984
External references
- oeis: A277175